Mounting rail



FIG. 1 is a front left side perspective view of a mounting rail inaccordance with the new design;

FIG. 2 is a front right side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

FIGS. 1, 2, 5, 6, 7, and 8 are shown broken away near the center toindicate indeterminate length. Portions in broken lines are forillustrative purpose only and form no part of the claimed design.

The ornamental design for a mounting rail, as shown and described.